Pipe



FIG. 1 is a perspective view of a pipe showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a bottom plan view thereof.

The ornamental design for a pipe, as shown and described.